Intrepid Video & Electronics Copyright © Intrepid Video & Electronics |
PANASONIC
| Different models | *Solenoid clicking,
front LED flash *No SP mode, super slow |
*Replace 82uf cap in
power supply *1uf cap in power supply |
| AG1100 | No functions, pl light doesn't light | IC601, ICMN15542VEH |
| AG1960 | Faint interference, dots, lines in play back | C18, C21 in power supply |
| AG1980P | Shuts off intermittently, error F03 | Mode switch VSS0365 |
| AG505P | Tape loads, capstan moves in jerky motion | 2-6.3v caps in power supply.330 or 1000uf |
| AG7350 | Panel lights flash,go out,E5,E2,E4 error message.+5v, +12 reg lines should be 0.6,0.12ma current draw respectively | Replace IC8 & IC1901, Q1, Q4, Q6 & IC6004-micro |
| FS100 | Runs for up to one hour, then will not play SVHS tapes w/o pic breaking up. VHS tapes, OK. | Replace IC303 (VEFH05BT) |
| NVG10(G12) | In play, FF, REW, capstan acts confused | 4.43Mhz crystal resonator in color PCB |
| NVG12(G10) | In play, FF, REW, capstan acts confused | 4.43Mhz crystal resonator in color PCB |
| NVG45 | *Head drum spinning
too fast *Dead |
*C2117 (0.47uf) *C09 in power supply |
| NV7200 | Unstable picture | Capstan supply caps (C1010, C1013) |
| NV730 | Shuts down intrermittently | Check for dry joints Q1504 |
| NVF70 | Dead | C1109 in power supply |
| NVF70 | No Nicam sound | IC7901 |
| NVG12 | Dead | STK5331 (regulator chip) & R1003 |
| NVG21 | Dead | Replace C1108, C1022, C1025, STR1006, STK5392 |
| NVG40 | No 12 volts from power supply | Q-04 |
| NVJ30 | Shuts down when laced up | Check for dry joints @ motor connector P2001 |
| PV200B | No power | Replace 5vdc caps in power supply. |
| PV330D | Cassette loading binds @ eject or power on. | Clean leaf switch on cassette housing, closest to pinch roller |
| PV400D | Humming, grinding noise in play, FF, REW | Use thicker belts, adjust FG head and capstan height |
| PV1360 | Noisey video, capstan speed varies | In power supply: C7(10/200v), C9(47/16v), C10(2.5/50v),C17(47/50v),C18(1000/6.3v). |
| PV1362 | Dead | Q1, C7 in power supply |
| PV1364 | 18 volt zener destructive | 1uf/50v cap in power supply |
| PV1461 | No power | Series pass transformer, C1016 10/ 200v |
| PV1563 | Poor video | C1007, C1010, C1018, C1019 in power supply |
| PV1740 (MV758 VH5758) | Carriage side plate | VXAS0742 |
| PV2003 | Distorted video-EE | IC1 |
| PV2301 | Snowy picture, sys-control problem in play back | C1016 (330/6.3v) |
| PV2301 | *Loads tape, shuts
off. TV/VCR led works, but no effect *Poor playback video, heads may be slow to start |
*Q-1, on main board,
next to power supply *C1011
(330/6.3v) in power supply |
| PV2800 | Tuned stations fade in/out, sometimes disappear | Replace tuner. |
| PV3720 | No display, won't eject | C15, in power supply. |
| PV4010 | Faint, horizonal black bars rolling up screen | Swtich RF to channel 4, or replace |
| PV4163 | Intermittent capstan motor | Re-solder IC2, on capstan motor drive board |
| PV4164 | Tape gets ejected right away | Re-sync cassette housing |
| PV4250K | Tracking line at bottom of screen | C1017(1000uf) |
| PV4260 | Part ID | D15-18v zener |
| PV4265S | Head doesn't spin @ proper speed, B&W video. | C6/C17 replace. |
| PV4277 | Not taking tape in fully, or taking tape up in play when supply is full. Jamming on eject | Stretch coil spring under 1/4" gear under main clutch on bottom |
| PV4311 | Playback video poor, tuner video jumpy. | C5(4.7/200v), C16(330/6.3v) in power supply |
| PV4351 | *Very poor tuner/play
back video, cylinder slow to start. *Faint horizontal lines in video, tuner & playback. *No cylinder movement *Drum, no spin or jerks *No system ops, or display |
*C16 (330/6.3v) in
power supply *C19(100/6.3) & C21(1/50v). in power supply *C16(330/6.3v in power supply *C16(330/6.3v) checks OK in circuit *C1019(100/6.3v), R1205(120-1/4w) |
| PV4361 | *No color in play
back, video distorted *Carriage jammed *Display dim |
*C16 (330/6.3v) use
higher voltage *Gear VDGS0293 *C19 100uf/6.3v |
| PV4361K | Plays tapes in B&W only | C16(330/6.3) in power supply, check all 330/1000uf caps |
| PV4362 | *Intermittent power
up, or no power *No display, would come on 3-5 mins, faintly *No color, playback or tuner |
*C16(330/16v),
C19(100/6.3V) *C19(100/16v) in power supply *C16, C21, C14, C5, C11 |
| PV4403 | Plays fine, no display | Replace D9 in power supply. |
| PV4425S | Color tint in play back | Power supply filter caps usually 330/1000uf |
| PV4459 | Carriage jumps load gear and goes out of align | Looking from top, on right, there is broken plastic pin, which is part of chassis, next to gear which drives carriage. It goes into cassette basket. |
| PV4469 | Eject mechanism goes out-of-time | Add msc mod p# VVDS017, may need to replace eject mechanism. |
| PV4559 | Plays tape for 2 seconds, shuts down, display lit | D1005(ECG587) & R1010 (10 ohm, 1/4 watt) |
| PV4651 | *Won't take tape,
powers on, no cylinder *Load problems, loads half way. |
*PR1054 (ICPN38) *PAN kit VVDS0017, small white nub broke off. |
| PV4700 | Dead, or squeal from power supply | C09(2.2/50v) on edge of power supply. |
| PV4720 | *Powers up, hear motor
briefly, then display goes dead *Dead, fuse open |
*2-330/16v &
2-10/50v caps in power supply *C5, C19, Q1(2SC4026), C19 (-) goes to pin 3, IC2 |
| PV4722 | No color intially, then intermittent until warm | Spray IC3001 w/ freeze. If it looses color, replace IC |
| PV4722 | Not fully going into play mode, or tape load erractic | Re-solder bad connectors on pins of IC4, on top board |
| PV4760 | *Tuner intermittent,
from EE, to Tv mode *Dead, display flashes, then goes out. |
*Check solder on tuner
and at two transistors under tuner on main pcb. *Transistor C4130(NTE2312), 330uf caps, 22uf cap. |
| PV4761 | Play back and EE video smear | IC3004 (VCRS098) |
| PV4860 | Dead | Q1006 (2SB1050R)[ECG12] SKKIT71563, rebuild kit |
| PV4862 | Dead, fuse blows | C16(330/6.3) caps-17, 19, 12, 13, 14, 21 & 18v zener, C4130 |
| PV4924 | Tape does not completely load, head wheel never comes up to speed. | 15v line is only 0.9v, has 0.5v ripple. Replace cap on 15v line |
| PV4962 | Distorted video | C616 in power supply |
| PV5451 | No tracking | C5 on video preamp board 47/50v. |
| PV7200 | Video shifts from color to B&W. | C1014(4.7/50v), C1016(330/18v) |
| PV7450(PV7451, PV8200, VHQ760) | *Powers up, will not
take tape *Capstan runs at high speed in play |
*Pin broken on drive
rack arm. p/n VMLS0976 *C6208(1/50v) on capstan fg line near P6002, also C6221(22/6.3v) |
| PV7451(PV7450, PV8200, VHQ760) | *Powers up, will not
take tape *Capstan runs at high speed in play |
*Pin broken on drive
rack arm. p/n VMLS0976 *C6208(1/50v) on capstan fg line near P6002, also C6221(22/6.3v) |
| PV7662 | Fuse open | Q1001(@4533), R1004(33k), IC1001(3131) |
| PV8200(PV7450, PV7451, VHQ760) | *Powers up, will not
take tape *Capstan runs at high speed in play |
*Pin broken on drive
rack arm. p/n VMLS0976 *C6208(1/50v) on capstan fg line near P6002, also C6221(22/6.3v) |
| PV8450 | *No linear play
back/record *Voltage surge, all functions weak |
*IC3001 (AN3476fbp) *C1004 (120/200v) |
| PV8451 | No RF video, AUX jacks OK | Replace tuner/mod |
| PV8662 | Dead, squeal from power supply | D1015 shorted, 18v zener(NTE5077A) |
| PVM1321 | SMPS, low voltage, or dead | Q1002(2SD1458), shorted-D1015(18v, 1w) |
| PVM1358 | Demo constantly running | Turn unit off, w/ no tape, press pl/REW together for 5 secs. |
| PVM1359W | *Dead, program light
flashes *Load motor won't function |
*Q801(2SC2785) *PR805 |
| PVM1378W | No raster | Check 14v unswitched protect fuse |
| PVM2023 | Pic goes to blue, intermittently, mostly on EP | Glazed pinch roller |
| PVM2028 | *VCR works, NO HV, No
TV, or raster *H.O.T. shorted |
*C553(2200pf/2kv),
R801, R802, Q551(NTE2302), IC801(STR30130) *Replace H.O.T., C553, use OEM replacement |
| PVM2043 | No color, brightness flashes light to dark intermittently.(EE & tape) | IC301, lum/chr. processor(LA7621 or ECG1771 or SK9749) |
| PVM2044 | Parts ID | R7003, off pin 1 of tuner, 470 ohm, 1/4 watt. |
| PVM2045 | Dead, timer light blinks, no 12 volt | Q551, Q552, Q553, Q801 |
| PVM2046 | Excessive head speed | Replace system/servo IC |
| PVM2047 | No color on tape, video good, TV has color | IC3001(AN3475fbp) |
| PVM2059 | *Screen to dark,
increase screen drive, still too dark. *Pic goes dark, menu very dim *Light section at top of screen |
*C354 on CRT board. *FBT(T551) *Loose connection, G2 line CRT |
| PVM2079 | No vertical deflection | Check solder D401 |
| PVM2737 (PVM2767) |
Relay clicks on/off. HV comes up, shuts down. | Q541, E-C short(ECG290A), small board near FBT |
| PVM2767 (PVM2737) |
Relay clicks on/off. HV comes up, shuts down. | Q541, E-C short(ECG290A), small board near FBT |
| PVM2768 | VCR works fine, TV will not power up. Jump relat, TV turns on. No 5v ro R810 | Q801(2SC945) short, Diode (1N4148), Q505, Q541(2SA733) near FBT |
| PVQM2508 | No HV, no front panel control | IC6001, D784927YG102, $16.86 from Andrew electronics |